var createError = require('http-errors');
var path = require('path');
// 引入路由
// 封装req-cookie信息
var cookieParser = require('cookie-parser');
const bodyParser = require('body-parser')

var logger = require('morgan');

let usersRouter = require('../routes/users');
let MsgRouter = require('../routes/msg')
// 创建服务
var express = require('express');
var app = express();

// view engine setup
app.set('views', path.join(__dirname, '../views'));
app.set('view engine', 'jade');
// 添加中间件
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
// 解析表单
//app.use(bodyParser.json());
//app.use(bodyParser.urlencoded({ extended: true }));
// 静态资源代理
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, '../uploads')));


// 注册路由
app.use('/users', usersRouter);
app.use('/msg',MsgRouter);
// 跨域问题处理
// app.use(function(req,res,next){
//   next();
// })
// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// 错误处理中间件
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;

